Query the source for the latency parameters. @live will be %TRUE when @src is configured as a live source. @min_latency and @max_latency will be set to the difference between the running time and the timestamp of the first buffer.
This function is mostly used by subclasses.
if the source is live
the min latency of the source
the max latency of the source
%TRUE if the query succeeded.
See Implementation
Query the source for the latency parameters. @live will be %TRUE when @src is configured as a live source. @min_latency and @max_latency will be set to the difference between the running time and the timestamp of the first buffer.
This function is mostly used by subclasses.